<?php

namespace app\admin\controller\tick;

use app\common\controller\Backend;
use app\common\exception\NormalException;
use Exception;
use fast\FastQrcode;
use fast\Random;
use think\Db;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;

/**
 * 抖音主码
 *
 * @icon fa fa-circle-o
 */
class TickCode extends Backend
{

    /**
     * TickCode模型对象
     * @var \app\common\model\tick\TickCode
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\common\model\tick\TickCode;
        $this->view->assign("statusList", $this->model->getStatusList());
        $this->view->assign("typeList", $this->model->getTypeList());
    }

    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                    ->with(['user'])
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                
                $row->getRelation('user')->visible(['username']);
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }


    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }

        $params['code'] = $this->getNewCode();

        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        //判断二跳code是否和当前一样
        if($row['code'] == $params['code_jump2']){
            $this->error('二跳码不能是当前二维码');
        }

        $result = false;
        Db::startTrans();
        try {

            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    /**
     * 同步Qrcode
     * */
    public function syncQrcode()
    {
        $id = $this->request->param('id');
        $code_info = \app\common\model\tick\TickCode::find($id);
        $save_path = "./qrcode/{$code_info->code}.png";
        $url = $this->request->domain() . "/scan.html?code={$code_info->code}";

        try {
            $res = FastQrcode::build($url, $save_path);
        } catch (NormalException $e) {
            $this->error($e->getMessage());
        }

        $this->success('更新成功', $res);
    }


    /**
     * 获取最新code
     * */
    public function getNewCode(){
        $rand_code = Random::alnum_min(4);
        if(\app\common\model\tick\TickCode::where('code',$rand_code)->find()){
           $this->getNewCode();
        }
        return $rand_code;
    }

}
